Later on, you deselect the pen object from the device context and destroy the object.
稍后，你从关联设备取消画笔对象并销毁该对象。
On my machine, the time to create and destroy a simple object is about 5.6 ns.
在我的机器上，创建并销毁一个简单对象大约是5.6纳秒。
When you finish using the recordset object, you close and destroy it.
记录集对象使用完毕后，请关闭并且销毁它。
When you finish using the recordset object, you close and destroy it.
记录集对象使用完毕后，请关闭并且销毁它。
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